... the statistical assumption.17VAD is derived by incorporating the LRT on it. In a practical implementation,the decision is made frame by frame in a frame-processed signal.The advantage of the ... Science andTechnology, Harbin Institute of Technology, Harbin, China2School of Mathematical Sciences, HarbinNormal University, Harbin, China∗Corresponding author: jqhan@hit.edu.cnEmail address:SD: ... at A, B, C in Fig. 1b aretoo adjacent to each other. In this article, we present an approach for VAD based on the conjugatesubspace matching pursuit (MP) and the statistical model. Specifically,...